Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 9.600482][ T22] audit: type=1400 audit(1579505701.597:10): avc: denied { watch } for pid=1782 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 9.611450][ T22] audit: type=1400 audit(1579505701.597:11): avc: denied { watch } for pid=1782 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2280 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 11.207749][ T22] audit: type=1400 audit(1579505703.197:12): avc: denied { map } for pid=1863 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.1.54' (ECDSA) to the list of known hosts. executing program [ 17.301103][ T22] audit: type=1400 audit(1579505709.297:13): avc: denied { map } for pid=1875 comm="syz-executor085" path="/root/syz-executor085605551" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 17.320076][ T22] audit: type=1400 audit(1579505709.317:14): avc: denied { prog_load } for pid=1877 comm="syz-executor085" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 17.340992][ T22] audit: type=1400 audit(1579505709.337:15): avc: denied { prog_run } for pid=1877 comm="syz-executor085" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 17.341040][ T1877] netlink: 'syz-executor085': attribute type 1 has an invalid length. [ 17.372752][ T1877] netlink: 'syz-executor085': attribute type 1 has an invalid length. [ 17.381114][ T1877] netlink: 'syz-executor085': attribute type 1 has an invalid length. [ 17.389584][ T1877] netlink: 'syz-executor085': attribute type 1 has an invalid length. executing program [ 17.398028][ T1877] netlink: 'syz-executor085': attribute type 1 has an invalid length. [ 17.406748][ T1877] netlink: 'syz-executor085': attribute type 1 has an invalid length. [ 17.462107][ T1878] BUG: unable to handle page fault for address: ffffed101a1a09ff [ 17.469976][ T1878] #PF: supervisor read access in kernel mode [ 17.476023][ T1878] #PF: error_code(0x0000) - not-present page [ 17.482115][ T1878] PGD 21fff7067 P4D 21fff7067 PUD 21fff6067 PMD 0 [ 17.488613][ T1878] Oops: 0000 [#1] PREEMPT SMP KASAN [ 17.493895][ T1878] CPU: 0 PID: 1878 Comm: syz-executor085 Not tainted 5.4.13-syzkaller-00760-gb0b02162a4b8 #0 [ 17.504138][ T1878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 17.514326][ T1878] RIP: 0010:do_xdp_generic+0x603/0x1500 [ 17.519995][ T1878] Code: 00 00 00 00 fc ff df 42 80 3c 30 00 74 05 e8 c4 a7 96 fe 4c 89 a4 24 d8 00 00 00 4c 89 ac 24 18 01 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 ff e8 fe a6 96 fe 49 8b 37 83 e6 01 31 [ 17.539816][ T1878] RSP: 0018:ffff8881d082f680 EFLAGS: 00010a07 [ 17.545867][ T1878] RAX: 1ffff1101a1a09ff RBX: ffff8881d082f788 RCX: 1ffff1103a105ef1 [ 17.553975][ T1878] RDX: ffff8881d4532e34 RSI: 0000000000000000 RDI: ffff8881d082f798 [ 17.561938][ T1878] RBP: ffff8881d082f830 R08: ffffffff82da194b R09: ffffed103a19ea5d [ 17.570015][ T1878] R10: ffffed103a19ea5d R11: 0000000000000000 R12: ffff8880d0cf5148 [ 17.578071][ T1878] R13: ffff8881d0cf5000 R14: dffffc0000000000 R15: ffff8880d0d04fff [ 17.586040][ T1878] FS: 0000000001863880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 17.595045][ T1878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.601630][ T1878] CR2: ffffed101a1a09ff CR3: 00000001d2a7f001 CR4: 00000000001606f0 [ 17.609594][ T1878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 17.618921][ T1878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 17.627070][ T1878] Call Trace: [ 17.630402][ T1878] ? __kasan_check_write+0x14/0x20 [ 17.635628][ T1878] ? _copy_from_iter+0x886/0xaa0 [ 17.640682][ T1878] ? generic_xdp_tx+0x4f0/0x4f0 [ 17.645711][ T1878] ? tun_get_user+0x3cd0/0x3cd0 [ 17.650542][ T1878] tun_get_user+0x2498/0x3cd0 [ 17.655204][ T1878] ? __kasan_check_read+0x11/0x20 [ 17.660318][ T1878] ? __alloc_pages_nodemask+0x52d/0x3010 [ 17.666037][ T1878] ? tun_do_read+0x1f10/0x1f10 [ 17.670790][ T1878] ? __kasan_check_write+0x14/0x20 [ 17.676071][ T1878] ? wp_page_copy+0xd24/0x10e0 [ 17.680842][ T1878] ? __rcu_read_lock+0x50/0x50 [ 17.685686][ T1878] ? __rcu_read_lock+0x50/0x50 [ 17.690634][ T1878] ? __memcg_kmem_charge_memcg+0x340/0x340 [ 17.696426][ T1878] tun_chr_write_iter+0x134/0x1c0 [ 17.701428][ T1878] do_iter_readv_writev+0x5fa/0x890 [ 17.706694][ T1878] ? vfs_dedupe_file_range+0xa00/0xa00 [ 17.712194][ T1878] ? security_file_permission+0x157/0x350 [ 17.717903][ T1878] ? rw_verify_area+0x1c2/0x360 [ 17.722747][ T1878] do_iter_write+0x180/0x590 [ 17.728930][ T1878] do_writev+0x2cd/0x560 [ 17.733268][ T1878] ? do_readv+0x400/0x400 [ 17.737612][ T1878] ? __up_read+0x6f/0x1b0 [ 17.741937][ T1878] ? __down_read+0x240/0x240 [ 17.746651][ T1878] ? do_user_addr_fault+0x6b7/0xb50 [ 17.751841][ T1878] __x64_sys_writev+0x7d/0x90 [ 17.756652][ T1878] do_syscall_64+0xc0/0x100 [ 17.761151][ T1878] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 17.767138][ T1878] RIP: 0033:0x441f50 [ 17.771036][ T1878] Code: 05 48 3d 01 f0 ff ff 0f 83 5d 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d c1 90 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 34 09 fc ff c3 48 83 ec 08 e8 ba 2b 00 00 [ 17.790882][ T1878] RSP: 002b:00007ffc4ced78c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 17.799621][ T1878] RAX: ffffffffffffffda RBX: 00007ffc4ced78e0 RCX: 0000000000441f50 [ 17.807735][ T1878] RDX: 0000000000000001 RSI: 00007ffc4ced7910 RDI: 00000000000000f0 [ 17.815832][ T1878] RBP: 0000000000000000 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 17.823965][ T1878] R10: 00000000bb1414ac R11: 0000000000000246 R12: 0000000000004398 [ 17.831929][ T1878] R13: 0000000000402da0 R14: 0000000000000000 R15: 0000000000000000 [ 17.839910][ T1878] Modules linked in: [ 17.843798][ T1878] CR2: ffffed101a1a09ff [ 17.847932][ T1878] ---[ end trace e558bd33fd7ccf21 ]--- [ 17.853384][ T1878] RIP: 0010:do_xdp_generic+0x603/0x1500 [ 17.858948][ T1878] Code: 00 00 00 00 fc ff df 42 80 3c 30 00 74 05 e8 c4 a7 96 fe 4c 89 a4 24 d8 00 00 00 4c 89 ac 24 18 01 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 ff e8 fe a6 96 fe 49 8b 37 83 e6 01 31 [ 17.878739][ T1878] RSP: 0018:ffff8881d082f680 EFLAGS: 00010a07 [ 17.884788][ T1878] RAX: 1ffff1101a1a09ff RBX: ffff8881d082f788 RCX: 1ffff1103a105ef1 [ 17.892855][ T1878] RDX: ffff8881d4532e34 RSI: 0000000000000000 RDI: ffff8881d082f798 [ 17.901887][ T1878] RBP: ffff8881d082f830 R08: ffffffff82da194b R09: ffffed103a19ea5d [ 17.909842][ T1878] R10: ffffed103a19ea5d R11: 0000000000000000 R12: ffff8880d0cf5148 [ 17.918015][ T1878] R13: ffff8881d0cf5000 R14: dffffc0000000000 R15: ffff8880d0d04fff [ 17.926097][ T1878] FS: 0000000001863880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 17.935008][ T1878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.941846][ T1878] CR2: ffffed101a1a09ff CR3: 00000001d2a7f001 CR4: 00000000001606f0 [ 17.949828][ T1878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 17.957901][ T1878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 17.965863][ T1878] Kernel panic - not syncing: Fatal exception in interrupt [ 17.974120][ T1878] Kernel Offset: disabled [ 17.978493][ T1878] Rebooting in 86400 seconds..